Core i7-920XM vs Pentium G3420

PassMark CPU Mark evaluates processor speed through complex mathematical computations. It provides a reliable metric to compare multi-core performance, where higher scores indicate faster processing for multitasking, gaming, and heavy workloads.

Core i7-920XM vs Pentium G3420 FPS Benchmarks

Predicted gaming performance across popular games. Tested paired with GeForce RTX 5090 to isolate CPU performance.

Search any supported game below to compare 1080p FPS for both components.

Core i7-920XM vs Pentium G3420: Pros, Cons & Final Verdict

See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.

Core i7-920XM

2009

Why buy it

✅+166.7% larger total L3 cache (8 MB vs 3 MB).
✅100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.

Trade-offs

❌Lower PassMark (2,014 vs 2,022).

Pentium G3420

2013

Why buy it

✅+0.4% higher PassMark.
✅Draws 54W instead of 55W, a 1W reduction.

Trade-offs

❌Smaller total L3 cache (3 MB vs 8 MB).
❌Launch MSRP is still $86 MSRP, while Core i7-920XM mostly shows up through inconsistent older-market listings.

Quick Answers

So, is Pentium G3420 better than Core i7-920XM?

Yes. Pentium G3420 is the better all-around CPU here. It gives you a 0.9% average FPS lead across 50 shared CPU game tests in our data, 0.4% better PassMark, and the stronger long-term platform, which is enough to make it the stronger overall pick.

Which one is better for gaming?

For gaming, this matchup is basically a tie in the data we have.

Which one is better for streaming, content creation, and heavy multitasking?

For streaming, content creation, and heavier multitasking, Pentium G3420 is the stronger fit. You are getting 0.4% better PassMark, backed by 2 cores and 2 threads.

Which one is the smarter buy today, not just the cheaper CPU?

Pentium G3420 is the better buy right now. Pentium G3420 comes in at an unclear MSRP at $86 MSRP versus unclear MSRP, and it still gives you a 0.9% average FPS lead across 50 shared CPU game tests in our data. It is also 100.0% better value on MSRP (23.5 vs 0.0 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

Which one is more future-proof for 2026 and beyond?

Pentium G3420 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2013 vs 2009) and more multi-core headroom with 2 cores / 2 threads instead of 4/8. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Core i7-920XM vs Pentium G3420 Technical Specifications

Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

Core i7-920XM

The Core i7-920XM is manufactured by Intel. It was released in 23 September 2009 (16 years ago). It is based on the Clarksfield (2009−2010) architecture. It features 4 cores and 8 threads. Base frequency is 2 GHz, with boost up to 3.2 GHz. L3 cache: 8 MB (total). L2 cache: 256 kB (per core). Built on 45 nm process technology. Socket: PGA988. Thermal design power (TDP): 55 Watt. Memory support: DDR3-1066, DDR3-1333. Passmark benchmark score: 2,014 points. Launch price was $1,054.

Pentium G3420

The Pentium G3420 is manufactured by Intel. It was released in 1 September 2013 (12 years ago). It is based on the Haswell (2013−2015) architecture. It features 2 cores and 2 threads. Base frequency is 3.2 GHz, with boost up to 3.2 GHz. L3 cache: 3 MB (total). L2 cache: 256 kB (per core). Built on 22 nm process technology. Socket: LGA1150. Thermal design power (TDP): 53 Watt. Memory support: DDR3. Passmark benchmark score: 2,022 points. Launch price was $252.

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Processing Power

The Core i7-920XM packs 4 cores / 8 threads, while the Pentium G3420 offers 2 cores / 2 threads — the Core i7-920XM has 2 more cores. Boost clocks reach 3.2 GHz on the Core i7-920XM versus 3.2 GHz on the Pentium G3420 — identical boost frequencies (base: 2 GHz vs 3.2 GHz). The Core i7-920XM uses the Clarksfield (2009−2010) architecture (45 nm), while the Pentium G3420 uses Haswell (2013−2015) (22 nm). In PassMark, the Core i7-920XM scores 2,014 against the Pentium G3420's 2,022 — a 0.4% lead for the Pentium G3420. L3 cache: 8 MB (total) on the Core i7-920XM vs 3 MB (total) on the Pentium G3420.

Feature	Core i7-920XM	Pentium G3420
Cores / Threads	4 / 8+100%	2 / 2
Boost Clock	3.2 GHz	3.2 GHz
Base Clock	2 GHz	3.2 GHz+60%
L3 Cache	8 MB (total)+167%	3 MB (total)
L2 Cache	256 kB (per core)	256 kB (per core)
Process	45 nm	22 nm-51%
Architecture	Clarksfield (2009−2010)	Haswell (2013−2015)
PassMark	2,014	2,022

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Memory & Platform

The Core i7-920XM uses the PGA988 socket (PCIe 2.0), while the Pentium G3420 uses LGA1150 (PCIe 3.0) — making them incompatible on the same motherboard.